2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief This file implements the common parts of IR transformation from
23 * firm into ia32-Firm.
24 * @author Sebastian Buchwald
25 * @version $Id: ia32_common_transform.h 20999 2008-08-05 16:48:29Z beck $
27 #ifndef FIRM_BE_IA32_IA32_COMMON_TRANSFORM_H
28 #define FIRM_BE_IA32_IA32_COMMON_TRANSFORM_H
30 #include "bearch_ia32_t.h"
33 * An assembler constraint.
35 typedef struct constraint_t constraint_t;
37 const arch_register_class_t *cls;
38 unsigned allowed_registers;
39 char all_registers_allowed;
45 extern ia32_code_gen_t *env_cg;
48 * Get an atomic entity that is initialized with a tarval forming
51 * @param cnst the node representing the constant
53 ir_entity *create_float_const_entity(ir_node *cnst);
56 * Creates an immediate.
58 * @param symconst if set, create a SymConst immediate
59 * @param symconst_sign sign for the symconst
60 * @param val integer value for the immediate
62 ir_node *create_Immediate(ir_entity *symconst, int symconst_sign, long val);
65 * returns register by name (used for determining clobber specifications in
68 const arch_register_t *ia32_get_clobber_register(const char *clobber);
72 * Prints the old node name on cg obst and returns a pointer to it.
74 const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
78 * Return true if a mode can be stored in the GP register set.
80 int ia32_mode_needs_gp_reg(ir_mode *mode);
83 * generates code for a ASM node
85 ir_node *gen_ASM(ir_node *node);
88 * This function just sets the register for the Unknown node
89 * as this is not done during register allocation because Unknown
90 * is an "ignore" node.
92 ir_node *gen_Unknown(ir_node *node);
94 const arch_register_req_t *make_register_req(const constraint_t *constraint,
95 int n_outs, const arch_register_req_t **out_reqs, int pos);
97 const arch_register_req_t *parse_clobber(const char *clobber);
99 ir_node *try_create_Immediate(ir_node *node, char immediate_constraint_type);
101 #endif /* FIRM_BE_IA32_IA32_COMMON_TRANSFORM_H */